135432213533213 has 2 divisors, whose sum is σ = 135432213533214. Its totient is φ = 135432213533212.

The previous prime is 135432213533189. The next prime is 135432213533249. The reversal of 135432213533213 is 312335312234531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93500139185209 + 41932074348004 = 9669547^2 + 6475498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135432213533213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135432213533273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67716106766606 + 67716106766607.

It is an arithmetic number, because the mean of its divisors is an integer number (67716106766607).

Almost surely, 2^{135432213533213} is an apocalyptic number.

It is an amenable number.

135432213533213 is a deficient number, since it is larger than the sum of its proper divisors (1).

135432213533213 is an equidigital number, since it uses as much as digits as its factorization.

135432213533213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 41.

Adding to 135432213533213 its reverse (312335312234531), we get a palindrome (447767525767744).

The spelling of 135432213533213 in words is "one hundred thirty-five trillion, four hundred thirty-two billion, two hundred thirteen million, five hundred thirty-three thousand, two hundred thirteen".